# Start and End

## Start <a href="#start" id="start"></a>

The start node is the start point of a flow; the processing of each session starts here. There needs to be exactly one start node in each flow.

<figure><img src="https://4187494610-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFe4cpY1jy0FJ4kgC7wSx%2Fuploads%2FPZ86ZMDiFcQr6UicJM0s%2Fstart-node.png?alt=media&#x26;token=17763cdc-b84b-4c61-b653-7acc70c6a1ed" alt=""><figcaption></figcaption></figure>

## End <a href="#end" id="end"></a>

The end node terminates the session and completes the flow execution.

<figure><img src="https://4187494610-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFe4cpY1jy0FJ4kgC7wSx%2Fuploads%2FGDvroVP9ekb84ItxBv9q%2Fend-node.png?alt=media&#x26;token=88912671-bc4a-4c13-87f1-dec558361f7b" alt=""><figcaption></figcaption></figure>